snow first layer

Meet the better-than-ever Men's Classic Thermal Merino Base Layer Crew. We've updated this 100% Merino wool fan-favorite with new colors and a new ...

A year-round favorite, our Classic All-Season Merino Base Layer Bottom works hard to keep you comfortable everywhere, from the ski lifts to the cam...

Behind the product: One-stop shopping for quick-drying, top-to-bottom warmth that's built for the coldest weather.Bundle 'em up in the warmth of a ...

Smartwool has updated their Men's Classic Thermal Merino Base Layer Bottom to bring you a better fitting, more functional tight. The technical bene...

Spring skiing or summer camping? The year-round Men's Classic All-Season Merino Base Layer Long Sleeve is game for either. With Smartwools Core Spu...

Spring skiing or summer camping? The year-round Men's Classic All-Season Merino Base Layer Long Sleeve is game for either. With Smartwools Core Spu...

Meet the better-than-ever Men's Classic Thermal Merino Base Layer Crew. We've updated this 100% Merino wool fan-favorite with new colors and a new ...

A year-round favorite, our Classic All-Season Merino Base Layer Bottom works hard to keep you comfortable everywhere, from the ski lifts to the cam...

The Men's Classic Thermal Merino Base Layer Colorblock Crew features 100% Merino wool made with a flatlock seam construction and offset shoulder an...

Made with Smartwools innovative Intraknit™ technology, the Men's Intraknit Thermal Merino Base Layer Colorblock Crew is designed with colorblock pa...

Smartwool has updated their Men's Classic Thermal Merino Base Layer Bottom to bring you a better fitting, more functional tight. The technical bene...

Built to fit, flex, and follow you like a shadow, our Women's Intraknit™ Thermal Merino Base Layer Bottom uses our innovative 3D knitting technolog...

This minimalist-style crew is anything but insignificant. Smartwools Women's Intraknit™ Thermal Merino Base Layer Crew is a lightweight, super-move...

100% Merino. 100% capable. Smartwools Women's Classic Thermal Merino Base Layer B is always ready for what's ahead and what's next. With a fit upda...

100% Merino. 100% capable. Smartwools Women's Classic Thermal Merino Base Layer B is always ready for what's ahead and what's next. With a fit upda...

100% Merino. 100% capable. Smartwools Women's Classic Thermal Merino Base Layer B is always ready for what's ahead and what's next. With a fit upda...

Meet the Women's Classic Thermal Merino Base Layer Crew One Piece, which provides a full-body layer of warmth. This 100% Merino wool one piece comb...

Meet the new and improved Women's Classic Thermal Merino Base Layer Crew. Smartwool has updated its 100% Merino wool fan-favorite with new color op...

Meet the new and improved Women's Classic Thermal Merino Base Layer Crew. Smartwool has updated its 100% Merino wool fan-favorite with new color op...

Meet the better-than-ever Men's Classic Thermal Merino Base Layer Crew. We've updated this 100% Merino wool fan-favorite with new colors and a new ...

Meet the new and improved Women's Classic Thermal Merino Base Layer Crew. Smartwool updated this 100% Merino wool fan favorite with new color optio...

Meet the new and improved Women's Classic Thermal Merino Base Layer Crew. We've updated this 100% Merino wool fan favorite with new color options a...

Meet the better-than-ever Men's Classic Thermal Merino Base Layer Crew. We've updated this 100% Merino wool fan-favorite with new colors and a new ...

100% Merino. 100% capable. Our Women's Classic Thermal Merino Base Layer B is always ready for what's ahead and what's next. With a fit updated to ...